Home / 205,861.92-284,159.52-121,004.16

Finding the Fourth Proportional to 205,861.92, 284,159.52 and 121,004.16

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Solution

The fourth proportional to 205,861.92, 284,159.52 and 121,004.16 is: 167,026.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,861.92 : 284,159.52 = 121,004.16 : x
  2. Step 2: Convert to fraction form
    205,861.92/284,159.52 = 121,004.16/x
  3. Step 3: Cross multiply
    205,861.92x = 284,159.52 × 121,004.16
  4. Step 4: Simplify right side
    205,861.92x = 34,384,484,023.60
  5. Step 5: Solve for x
    x = 34,384,484,023.60/205,861.92
  6. Step 6: Final answer
    x = 167,026.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.